2 to 5 business days
Textbook synchronous display, tabular statistics and 10 position radix + 2 position exponent. Used for scientific calculation, namely function calculation. Multi-step reappear, dot-matrix display, and Plastic buttons. Touch keyboard, easy to click. Multi-function mathematical calculator: It can be used to calculate advanced functions. High-quality material: durable, stable, and responsive. Designed for students and office workers. Upgrade motherboard: more stable work. It can help you solve the problems you encounter in your study, convenient to calculate. Power Source: Coin battery, No Solar power Packing: 1x Scientific Calculator 1x manual